The dictionary is of ___to students of English.A.many helps B.much helpC.great helping D.helpful要详解

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The dictionary is of ___to students of English.A.many helps B.much helpC.great helping D.helpful要详解
The dictionary is of ___to students of English.
A.many helps B.much help
C.great helping D.helpful
要详解

The dictionary is of ___to students of English.A.many helps B.much helpC.great helping D.helpful要详解
选 B
of+名词 相当于形容词 的 作用.help 不可数.

B.much help
在介词 of 后面 需要用名词

of+名词=形容词
所以这里应该填一个名词
应该是B

B
be of介词短语在句中作表语,of的含义有六种,现分述如下:
一、“be of+抽象名词”,这时的of短语相当于这个名词的同根形容词,作为表语表示主语的性质或特征。of的意思是“具有、具备”等,常用于该结构的名词常见的有
of use=useful;of nouse=useless;of importance=important等。如:
The matter ...

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B
be of介词短语在句中作表语,of的含义有六种,现分述如下:
一、“be of+抽象名词”,这时的of短语相当于这个名词的同根形容词,作为表语表示主语的性质或特征。of的意思是“具有、具备”等,常用于该结构的名词常见的有
of use=useful;of nouse=useless;of importance=important等。如:
The matter is of great importance.=The matter is very important.
在形容词前常用very来修饰,在“of+抽象名词”结构中,名词前常用great,much等来修饰。再如:It is o fgreat importance for college students to master a foreign language.
=Itisveryimportant...对大学生来说,掌握一门外语是很重要的。
二、“be of+集合名词或其它类型的名词”,相当于belong to或have。of表示归属关系或“有”的意思。如:The army and the people are of one family.
=The army and the people belong to one family.军民是一家。
三、“be of+物质名词”表示主语是“用某种材料构成或制作的”,相当于be made of或be built of。如:Our building was of bricks.=Our building was built of bricks.
我们的楼房是砖建的。
四、be of+(表示种类、颜色、年龄、形状、价格等)名词,多用来表示主语的特征。这类结构的主语可以是人,也可以是物,其中的of可以省略。常用于该结构的名词有:kind,age,colour,size,height,shape,type,way,price等。如:
Several of the stamps were of the unusual kind.其中几张邮票是不同种类的。
The two boys are of the same age.这两个男孩年龄相同。
She is of a different way of thinking.她的思维方式与众不同。
These two kinds of article are of the same price.这两种物品价格相同。
五、“be of+名词”也可以表示“来源、组成”。如:
He was of a poor peasant family.他出身贫农家庭。
The committee is of seven people.该委员会由7人组成。
六、“be of+形容词的最高级”相当于one of...。如:
Mr.Wang is of the best teachers in our school.
=Mr Wang is one of the best teachers in our school.
王老师是我们学校里最好的老师之一。
The English teacher of ours is of the quickest temper.
=The English teacher of ours is one of the quickest temper.我们的英语老师脾气最急躁

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选B
help 是不可数名词 首先就排除A,
be of + adj + noun to sth 是一个典型句型 比如 : this is of great importance to your exam.